B3311331313231311331322331333131133132313131133133313231323132121
>>
B331133131323131133132233133313113313231313113313331323132313212
<<
B3311331313231311331322331333131133132313131133133313231323132123
>>
B3311331313231311331322331333131133132313131133133313231323132122
>>